RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Mermaid

Largest measured stone loach: 10.4 cm

The largest stone loach measured in Environment Agency surveys of the River Mermaid was 10.4 cm, recorded at Brampton , d/s B1254 bridge on 16 March 2018.

Across 32 measured stone loach, the median measured length was 8.4 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Mermaid.

See stone loach records across England →

Most recent observation16 March 2018Brampton , d/s B1254 bridge · 4 fish
Largest measured stone loach
10.4 cm
Median length
8.4 cm
Fish measured
32
Survey locations
3

Individual EA measurements

Largest measured stone loach

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
10.4 cm16 Mar 2018Brampton , d/s B1254 bridge152510
10.2 cm21 Jan 2010Brampton , d/s B1254 bridge121185
10.1 cm16 Mar 2018Brampton , d/s B1254 bridge152510
9.7 cm29 Jan 2004Brampton , d/s B1254 bridge99897
9.3 cm16 Mar 2016Brampton , d/s B1254 bridge148120
9.3 cm21 Jan 2010Brampton , d/s B1254 bridge121185
9.2 cm21 Jan 2010Brampton , d/s B1254 bridge121185
8.8 cm16 Mar 2016Brampton , d/s B1254 bridge148120
8.8 cm16 Mar 2016Brampton , d/s B1254 bridge148120
8.8 cm16 Mar 2016Brampton , d/s B1254 bridge148120

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where stone loach were found

Each point marks a survey location with at least one stone loach record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyedFirst recordedLast recordedVisits finding stone loach
Brampton , d/s B1254 bridge29 Jan 200416 Mar 20184
Marsham , Mermaid's Head meadows30 Jan 200430 Jan 20041
Brampton , u/s B1254 bridge29 Jan 200429 Jan 20041

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

2004–2018

Survey records by year

Each bar shows how many survey visits recorded stone loach that year.

Fish measured by surveyors

Measured length distribution

See how the 32 measured fish were spread across different length ranges.

Smallest
3.8 cm
Lower quarter
7.6 cm
Median
8.5 cm
Upper quarter
8.8 cm
Largest
10.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Mermaid

Compare other species with enough survey and measurement data for a detailed page.

3-spined stickleback Brown / sea trout

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →